PURPOSE: A Bayonet Neil-Concelman plug, an optical plug and an optical connector are provided to increase operating performance of an application plug or an application connector of the Bayonet Neil-Concelman plug and reduce manufacturing costs.;CONSTITUTION: A cable connecting unit(11w) includes a signal lead(11s) and one or more ground leads(11g). The signal lead is protruded to be connected to a signal leading end of a coaxial cable inside in the center of an end of the cable connecting unit. The one or more ground leads are protruded in parallel with the signal lead around the end of the cable connecting unit. A compressing nut(12) compresses by covering the cable connecting unit in case that the cable connecting unit is connected to the coaxial cable.;COPYRIGHT KIPO 2013
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